Billions of Electronic Components on Alibaba.com. Trade in Real Time, Logistics Service Optional,Thousands of Global Suppliers. MAX9939AUB+, amplifier, Instrumentation, OP amps, buffer amps IC by Analog Devices Inc./Maxim Integrated, IC OPAMP PGA 2 CIRC 10UMAX/USOP. Package/CaseType is 10-TFSOP, 10-MSOP Surface Mount